blockchain_go/main.go

package main

import (
	"fmt"
)

func main() {
	bc := NewBlockchain()

	bc.AddBlock("Send 1 BTC to Ivan")
	bc.AddBlock("Send 2 more BTC to Ivan")

	for _, block := range bc.blocks {
		fmt.Printf("%s - %x\n", block.Data, block.Hash)
	}
}